Angiographic and clinical comparisons of intravascular ultrasound- versus angiography-guided drug-eluting stent implantation for patients with chronic total occlusion lesions: two-year results from a randomised AIR-CTO study

Nai-Liang Tian1, MD; Sandeep-Kumar Gami1, MBBS; Fei Ye2, MD; Jun-Jie Zhang2, PhD; Zhi-Zhong Liu1, PhD; Song Lin2, MD; Zhen Ge1, MD; Shou-Jie Shan2, MD; Wei You2, MD; Liang Chen1, MD; Yao-Jun Zhang1, PhD; Gary Mintz3, MD; Shao-Liang Chen1*, MD, FACC